Coulmas, Florian, author
Cambridge University Press, 2005
Buku Teks
Ramazanoglu, Caroline, 1939-, author
Sage, 2003
Buku Teks
Sekhar, R.C.
Response Book, 2002
Buku Teks
Polkinghorn, R. Stephen, author
Richard D. Irwin, 1979
Buku Teks
Barringron, Lowell, author
Wadsworth and Cengage Learning, 2013
Buku Teks